1# Ridiculously simple test of the os.startfile function for Windows. 2# 3# empty.vbs is an empty file (except for a comment), which does 4# nothing when run with cscript or wscript. 5# 6# A possible improvement would be to have empty.vbs do something that 7# we can detect here, to make sure that not only the os.startfile() 8# call succeeded, but also the script actually has run. 9 10import unittest 11from test import support 12from test.support import os_helper 13import os 14import platform 15import sys 16from os import path 17 18startfile = support.get_attribute(os, 'startfile') 19 20 21@unittest.skipIf(platform.win32_is_iot(), "starting files is not supported on Windows IoT Core or nanoserver") 22class TestCase(unittest.TestCase): 23 def test_nonexisting(self): 24 self.assertRaises(OSError, startfile, "nonexisting.vbs") 25 26 def test_empty(self): 27 # We need to make sure the child process starts in a directory 28 # we're not about to delete. If we're running under -j, that 29 # means the test harness provided directory isn't a safe option. 30 # See http://bugs.python.org/issue15526 for more details 31 with os_helper.change_cwd(path.dirname(sys.executable)): 32 empty = path.join(path.dirname(__file__), "empty.vbs") 33 startfile(empty) 34 startfile(empty, "open") 35 startfile(empty, cwd=path.dirname(sys.executable)) 36 37 def test_python(self): 38 # Passing "-V" ensures that it closes quickly, though still not 39 # quickly enough that we can run in the test directory 40 cwd, name = path.split(sys.executable) 41 startfile(name, arguments="-V", cwd=cwd) 42 startfile(name, arguments="-V", cwd=cwd, show_cmd=0) 43 44if __name__ == "__main__": 45 unittest.main() 46